Rinse with warm salt water several times a day
Use a baking soda rinse if salt water stings
Avoid spicy, acidic, salty, and rough foods
Eat soft, cool foods
Drink plenty of water
Use a soft-bristled toothbrush
Avoid alcohol-based mouthwash
Use over-the-counter oral pain relief gels or rinses as directed
Suck on ice chips or popsicles for temporary relief
Avoid tobacco and alcohol
Keep dentures or braces clean and properly fitted
Manage stress and get enough rest
See a dentist or doctor if sores last more than two weeks
Seek medical care if sores are severe, frequent, or accompanied by fever, swelling, or trouble swallowing